S. Al-Juaydi, Haifa, and Essam R. El-Zahar. “AN EFFECTIVE SHOOTING PIECEWISE ANALYTICAL INTEGRATION METHOD FOR SINGULAR PERTURBATION TWO-POINT BOUNDARY VALUE PROBLEMS”. Advances in Differential Equations and Control Processes 30, no. 1 (January 9, 2023). Accessed February 11, 2025. https://ojs.acad-pub.com/index.php/ADECP/article/view/2400.